diff --git a/environment.yml b/environment.yml
deleted file mode 100644
index 6aa14cd3..00000000
--- a/environment.yml
+++ /dev/null
@@ -1,417 +0,0 @@
-# This file may be used to create an environment using:
-# $ conda create --name <env> --file <this file>
-# platform: linux-64
-name: 2021-icesat2-tracks
-channels:
-  - conda-forge
-dependencies:
-  - _libgcc_mutex=0.1=conda_forge
-  - _openmp_mutex=4.5=1_gnu
-  - alabaster=0.7.12=py_0
-  - alsa-lib=1.2.3=h516909a_0
-  - anyio=3.3.2=py37h89c1867_0
-  - appdirs=1.4.4=pyh9f0ad1d_0
-  - argcomplete=1.12.3=pyhd8ed1ab_2
-  - argon2-cffi=20.1.0=py37h5e8e339_2
-  - arviz=0.11.4=pyhd8ed1ab_0
-  - asciitree=0.3.3=py_2
-  - asteval=0.9.23=pyhd8ed1ab_0
-  - astropy=4.3.1=py37hb1e94ed_1
-  - async_generator=1.10=py_0
-  - attrs=21.2.0=pyhd8ed1ab_0
-  - babel=2.9.1=pyh44b312d_0
-  - backcall=0.2.0=pyh9f0ad1d_0
-  - backoff=1.11.1=pyhd8ed1ab_0
-  - backports=1.0=py_2
-  - backports.functools_lru_cache=1.6.4=pyhd8ed1ab_0
-  - bcrypt=3.2.0
-  - bleach=4.1.0=pyhd8ed1ab_0
-  - blosc=1.21.0=h9c3ff4c_0
-  - bokeh=2.4.0=py37h89c1867_0
-  - boost-cpp=1.74.0=h312852a_4
-  - boto=2.49.0=py_0
-  - boto3=1.18.64
-  - botocore=1.21.64
-  - bottleneck=1.3.2=py37hb1e94ed_4
-  - branca=0.4.2=pyhd8ed1ab_0
-  - brewer2mpl=1.4.1=py_3
-  - brotli=1.0.9=h7f98852_5
-  - brotli-bin=1.0.9=h7f98852_5
-  - brotlipy=0.7.0=py37h5e8e339_1001
-  - brunsli=0.1=h9c3ff4c_0
-  - bzip2=1.0.8=h7f98852_4
-  - c-ares=1.17.2=h7f98852_0
-  - ca-certificates=2021.10.8=ha878542_0
-  - cached-property=1.5.2=hd8ed1ab_1
-  - cached_property=1.5.2=pyha770c72_1
-  - cachetools=4.2.4=pyhd8ed1ab_0
-  - cairo=1.16.0=h6cf1ce9_1008
-  - cartopy=0.20.0=py37h259df35_2
-  - cdo=1.9.10=h25e7f74_6
-  - cdsapi=0.5.1=pyhd8ed1ab_0
-  - certifi=2021.10.8=py37h89c1867_1
-  - cffi=1.14.6=py37h036bc23_1
-  - cfitsio=3.470=hb418390_7
-  - cftime=1.5.1=py37hb1e94ed_0
-  - chardet=4.0.0=py37h89c1867_1
-  - charls=2.2.0=h9c3ff4c_0
-  - click=7.1.2=pyh9f0ad1d_0
-  - click-plugins=1.1.1=py_0
-  - cligj=0.7.2=pyhd8ed1ab_1
-  - cloudpickle=2.0.0=pyhd8ed1ab_0
-  - colorama=0.4.4=pyh9f0ad1d_0
-  - colorcet=2.0.6=pyhd8ed1ab_0
-  - corner=2.2.1=pyhd8ed1ab_0
-  - cryptography=3.4.7=py37h5d9358c_0
-  - curl=7.79.1=h2574ce0_1
-  - cycler=0.10.0=py_2
-  - cytoolz=0.11.0=py37h5e8e339_3
-  - dask=2021.9.1=pyhd8ed1ab_0
-  - dask-core=2021.9.1=pyhd8ed1ab_0
-  - dataclasses=0.8=pyhc8e2a94_3
-  - datashader=0.13.0=pyh6c4a22f_0
-  - datashape=0.5.4=py_1
-  - dbus=1.13.6=h48d8840_2
-  - debugpy=1.4.1=py37hcd2ae1e_0
-  - decorator=5.1.0=pyhd8ed1ab_0
-  - defusedxml=0.7.1=pyhd8ed1ab_0
-  - distributed=2021.9.1=py37h89c1867_0
-  - docrep=0.3.2=pyh44b312d_0
-  - docutils=0.17.1=py37h89c1867_0
-  - eccodes=2.23.0=h11d1a29_2
-  - emcee=3.1.1=pyh8a188c0_0
-  - entrypoints=0.3=pyhd8ed1ab_1003
-  - eofs=1.4.0=py_0
-  - expat=2.4.1=h9c3ff4c_0
-  - fasteners=0.16=pyhd8ed1ab_0
-  - fftw=3.3.10=nompi_h74d3f13_101
-  - fiona=1.8.20=py37hb7e2723_1
-  - folium=0.12.0=pyhd8ed1ab_1
-  - font-ttf-dejavu-sans-mono=2.37=hab24e00_0
-  - font-ttf-inconsolata=3.000=h77eed37_0
-  - font-ttf-source-code-pro=2.038=h77eed37_0
-  - font-ttf-ubuntu=0.83=hab24e00_0
-  - fontconfig=2.13.1=hba837de_1005
-  - fonts-conda-ecosystem=1=0
-  - fonts-conda-forge=1=0
-  - freeglut=3.2.1=h9c3ff4c_2
-  - freetype=2.10.4=h0708190_1
-  - freexl=1.0.6=h7f98852_0
-  - fribidi=1.0.10=h36c2ea0_0
-  - fsspec=2021.10.0=pyhd8ed1ab_0
-  - future=0.18.2=py37h89c1867_3
-  - gdal=3.3.2=py37hd5a0ba4_4
-  - geopandas=0.10.0=pyhd8ed1ab_0
-  - geopandas-base=0.10.0=pyha770c72_0
-  - geos=3.9.1=h9c3ff4c_2
-  - geotiff=1.7.0=hcfb7246_3
-  - geoviews=1.9.2=pyhd8ed1ab_0
-  - geoviews-core=1.9.2=pyha770c72_0
-  - gettext=0.19.8.1=h73d1719_1008
-  - giflib=5.2.1=h36c2ea0_2
-  - glib=2.68.4=h9c3ff4c_1
-  - glib-tools=2.68.4=h9c3ff4c_1
-  - glob2=0.7=py_0
-  - gmp=6.2.1=h58526e2_0
-  - gmpy2=2.1.0b5=py37h025e8b9_0
-  - graphite2=1.3.13=h58526e2_1001
-  - gst-plugins-base=1.18.5=hf529b03_0
-  - gstreamer=1.18.5=h76c114f_0
-  - guppy3=3.1.0=py37h5e8e339_0
-  - h5py=3.4.0=nompi_py37hd308b1e_101
-  - harfbuzz=3.0.0=h83ec7ef_1
-  - hdf4=4.2.15=h10796ff_3
-  - hdf5=1.12.1=nompi_h2750804_101
-  - heapdict=1.0.1=py_0
-  - holoviews=1.14.6=pyhd8ed1ab_0
-  - html5lib=1.1=pyh9f0ad1d_0
-  - hvplot=0.7.3=pyh6c4a22f_0
-  - icepyx=0.4.0=pyhd8ed1ab_0
-  - icu=68.1=h58526e2_0
-  - idna=2.10=pyh9f0ad1d_0
-  - imagecodecs=2021.7.30=py37hfe5a812_1
-  - imageio=2.9.0=py_0
-  - imagesize=1.2.0=py_0
-  - importlib-metadata=4.8.1=py37h89c1867_0
-  - importlib_metadata=4.8.1=hd8ed1ab_0
-  - intake=0.6.3=pyhd8ed1ab_0
-  - ipykernel=6.4.1=py37h6531663_0
-  - ipython=7.28.0=py37h6531663_0
-  - ipython_genutils=0.2.0=py_1
-  - ipywidgets=7.6.5=pyhd8ed1ab_0
-  - jasper=2.0.14=ha77e612_2
-  - jbig=2.1=h7f98852_2003
-  - jedi=0.18.0=py37h89c1867_2
-  - jinja2=3.0.1=pyhd8ed1ab_0
-  - jmespath=0.10.0
-  - joblib=1.1.0=pyhd8ed1ab_0
-  - jpeg=9d=h36c2ea0_0
-  - json-c=0.15=h98cffda_0
-  - json5=0.9.5=pyh9f0ad1d_0
-  - jsonschema=4.0.1=pyhd8ed1ab_0
-  - jupyter=1.0.0=py37h89c1867_6
-  - jupyter_client=7.0.6=pyhd8ed1ab_0
-  - jupyter_console=6.4.0=pyhd8ed1ab_0
-  - jupyter_core=4.8.1=py37h89c1867_0
-  - jupyter_kernel_gateway=2.5.1=pyhd8ed1ab_2
-  - jupyter_server=1.11.1=pyhd8ed1ab_0
-  - jupyterlab=3.1.18=pyhd8ed1ab_0
-  - jupyterlab_pygments=0.1.2=pyh9f0ad1d_0
-  - jupyterlab_server=2.8.2=pyhd8ed1ab_0
-  - jupyterlab_widgets=1.0.2=pyhd8ed1ab_0
-  - jxrlib=1.1=h7f98852_2
-  - kealib=1.4.14=h87e4c3c_3
-  - kiwisolver=1.3.2=py37h2527ec5_0
-  - krb5=1.19.2=hcc1bbae_2
-  - lcms2=2.12=hddcbb42_0
-  - ld_impl_linux-64=2.36.1=hea4e1c9_2
-  - lerc=2.2.1=h9c3ff4c_0
-  - libaec=1.0.6=h9c3ff4c_0
-  - libblas=3.9.0=11_linux64_openblas
-  - libbrotlicommon=1.0.9=h7f98852_5
-  - libbrotlidec=1.0.9=h7f98852_5
-  - libbrotlienc=1.0.9=h7f98852_5
-  - libcblas=3.9.0=11_linux64_openblas
-  - libclang=11.1.0=default_ha53f305_1
-  - libcurl=7.79.1=h2574ce0_1
-  - libdap4=3.20.6=hd7c4107_2
-  - libdeflate=1.7=h7f98852_5
-  - libedit=3.1.20191231=he28a2e2_2
-  - libev=4.33=h516909a_1
-  - libevent=2.1.10=h9b69904_4
-  - libffi=3.4.2=h9c3ff4c_4
-  - libgcc-ng=11.2.0=h1d223b6_9
-  - libgdal=3.3.2=h9c9eb65_4
-  - libgfortran-ng=11.2.0=h69a702a_9
-  - libgfortran5=11.2.0=h5c6108e_9
-  - libglib=2.68.4=h174f98d_1
-  - libglu=9.0.0=he1b5a44_1001
-  - libgomp=11.2.0=h1d223b6_9
-  - libiconv=1.16=h516909a_0
-  - libkml=1.3.0=h238a007_1014
-  - liblapack=3.9.0=11_linux64_openblas
-  - libllvm10=10.0.1=he513fc3_3
-  - libllvm11=11.1.0=hf817b99_2
-  - libnetcdf=4.8.1=nompi_hb3fd0d9_101
-  - libnghttp2=1.43.0=h812cca2_1
-  - libogg=1.3.4=h7f98852_1
-  - libopenblas=0.3.17=pthreads_h8fe5266_1
-  - libopus=1.3.1=h7f98852_1
-  - libpng=1.6.37=h21135ba_2
-  - libpq=13.3=hd57d9b9_0
-  - librttopo=1.1.0=h1185371_6
-  - libsodium=1.0.18=h36c2ea0_1
-  - libspatialindex=1.9.3=h9c3ff4c_4
-  - libspatialite=5.0.1=h8796b1e_9
-  - libssh2=1.10.0=ha56f1ee_2
-  - libstdcxx-ng=11.2.0=he4da1e4_9
-  - libtiff=4.3.0=hf544144_1
-  - libuuid=2.32.1=h7f98852_1000
-  - libvorbis=1.3.7=h9c3ff4c_0
-  - libwebp-base=1.2.1=h7f98852_0
-  - libxcb=1.13=h7f98852_1003
-  - libxkbcommon=1.0.3=he3ba5ed_0
-  - libxml2=2.9.12=h72842e0_0
-  - libzip=1.8.0=h4de3113_1
-  - libzlib=1.2.11=h36c2ea0_1013
-  - libzopfli=1.0.3=h9c3ff4c_0
-  - llvmlite=0.36.0=py37h9d7f4d0_0
-  - lmfit=1.0.2=pyhd8ed1ab_0
-  - locket=0.2.0=py_2
-  - lxml=4.6.3
-  - lz4-c=1.9.3=h9c3ff4c_1
-  - lzo=2.10=h516909a_1000
-  - magics=4.9.1=hb6e17df_1
-  - magics-python=1.5.6=pyhd8ed1ab_0
-  - mapclassify=2.4.3=pyhd8ed1ab_0
-  - markdown=3.3.4=pyhd8ed1ab_0
-  - markupsafe=2.0.1=py37h5e8e339_0
-  - matplotlib=3.4.3=py37h89c1867_1
-  - matplotlib-base=3.4.3=py37h1058ff1_1
-  - matplotlib-inline=0.1.3=pyhd8ed1ab_0
-  - memory_profiler=0.60.0=pyhd8ed1ab_0
-  - mistune=0.8.4=py37h5e8e339_1004
-  - mock=4.0.3=py37h89c1867_1
-  - monotonic=1.5=py_0
-  - mpc=1.2.1=h9f54685_0
-  - mpfr=4.1.0=h9202a9a_1
-  - mpi=1.0=mpich
-  - mpi4py=3.1.1=py37h1e5cb63_0
-  - mpich=3.4.2=h846660c_100
-  - mpmath=1.2.1=pyhd8ed1ab_0
-  - msgpack-python=1.0.2=py37h2527ec5_1
-  - multipledispatch=0.6.0=py_0
-  - munch=2.5.0=py_0
-  - mysql-common=8.0.25=ha770c72_2
-  - mysql-libs=8.0.25=hfa10184_2
-  - nbclassic=0.3.2=pyhd8ed1ab_0
-  - nbclient=0.5.4=pyhd8ed1ab_0
-  - nbconvert=6.2.0=py37h89c1867_0
-  - nbformat=5.1.3=pyhd8ed1ab_0
-  - ncurses=6.2=h58526e2_4
-  - nest-asyncio=1.5.1=pyhd8ed1ab_0
-  - netcdf4=1.5.7=nompi_py37hf784469_103
-  - networkx=2.5=py_0
-  - notebook=6.4.4=pyha770c72_0
-  - nspr=4.30=h9c3ff4c_0
-  - nss=3.69=hb5efdd6_1
-  - numba=0.53.1
-  - numcodecs=0.9.1=py37hcd2ae1e_0
-  - numexpr=2.7.3=py37he8f5f7f_0
-  - numpy=1.21.2=py37h31617e3_0
-  - numpydoc=1.1.0=py_1
-  - olefile=0.46=pyh9f0ad1d_1
-  - openjpeg=2.4.0=hb52868f_1
-  - openssl=1.1.1l=h7f98852_0
-  - ossuuid=1.6.2=hf484d3e_1000
-  - packaging=21.0=pyhd8ed1ab_0
-  - pandas=1.3.3=py37he8f5f7f_0
-  - pandoc=2.14.2=h7f98852_0
-  - pandocfilters=1.5.0=pyhd8ed1ab_0
-  - panel=0.12.4=pyhd8ed1ab_0
-  - pango=1.48.10=h54213e6_2
-  - param=1.11.1=pyh6c4a22f_0
-  - paramiko=2.8.0
-  - parso=0.8.2=pyhd8ed1ab_0
-  - partd=1.2.0=pyhd8ed1ab_0
-  - patsy=0.5.2=pyhd8ed1ab_0
-  - pcre=8.45=h9c3ff4c_0
-  - pexpect=4.8.0=pyh9f0ad1d_2
-  - pickleshare=0.7.5=py_1003
-  - piecewise-regression=1.1.2=pyhd8ed1ab_0
-  - pillow=8.3.2=py37h0f21c89_0
-  - pip=21.2.4=pyhd8ed1ab_0
-  - pixman=0.40.0=h36c2ea0_0
-  - pkginfo=1.7.1=pyhd8ed1ab_0
-  - pooch=1.5.1=pyhd8ed1ab_0
-  - poppler=21.09.0=ha39eefc_3
-  - poppler-data=0.4.11=hd8ed1ab_0
-  - postgresql=13.3=h2510834_0
-  - proj=8.1.1=h277dcde_2
-  - prometheus_client=0.11.0=pyhd8ed1ab_0
-  - prompt-toolkit=3.0.20=pyha770c72_0
-  - prompt_toolkit=3.0.20=hd8ed1ab_0
-  - proplot=0.9.2=pyhd8ed1ab_0
-  - psutil=5.8.0=py37h5e8e339_1
-  - pthread-stubs=0.4=h36c2ea0_1001
-  - ptyprocess=0.7.0=pyhd3deb0d_0
-  - pycparser=2.20=pyh9f0ad1d_2
-  - pyct=0.4.6=py_0
-  - pyct-core=0.4.6=py_0
-  - pyerfa=2.0.0=py37h6f94858_0
-  - pyflakes=2.4.0=pyhd8ed1ab_0
-  - pygments=2.10.0=pyhd8ed1ab_0
-  - pympler=0.9=pyh9f0ad1d_0
-  - pynacl=1.4.0
-  - pyopenssl=21.0.0=pyhd8ed1ab_0
-  - pyparsing=2.4.7=pyh9f0ad1d_0
-  - pyproj=3.2.1=py37hd495510_2
-  - pyqt=5.12.3=py37h89c1867_7
-  - pyqt-impl=5.12.3=py37he336c9b_7
-  - pyqt5-sip=4.19.18=py37hcd2ae1e_7
-  - pyqtchart=5.12=py37he336c9b_7
-  - pyqtwebengine=5.12.1=py37he336c9b_7
-  - pyrsistent=0.17.3=py37h5e8e339_2
-  - pyshp=2.1.3=pyh44b312d_0
-  - pysocks=1.7.1=py37h89c1867_3
-  - pytables=3.6.1=py37h5dea08b_4
-  - python=3.7.10=hb7a2778_102_cpython
-  - python-cdo=1.5.5=pyhd8ed1ab_0
-  - python-dateutil=2.8.2=pyhd8ed1ab_0
-  - python_abi=3.7=2_cp37m
-  - pytz=2021.3=pyhd8ed1ab_0
-  - pyviz_comms=2.1.0=pyhd8ed1ab_0
-  - pywavelets=1.1.1=py37hb1e94ed_3
-  - pyyaml=5.4.1=py37h5e8e339_1
-  - pyzmq=22.3.0=py37h336d617_0
-  - qt=5.12.9=hda022c4_4
-  - qtconsole=5.1.1=pyhd8ed1ab_0
-  - qtpy=1.11.2=pyhd8ed1ab_0 
-  - readline=8.1=h46c0cb4_0
-  - requests=2.25.1=pyhd3deb0d_0
-  - requests-unixsocket=0.2.0=py_0
-  - rtree=0.9.7=py37h0b55af0_2
-  - s3transfer=0.5.0
-  - schwimmbad=0.3.2=py37h89c1867_0
-  - scikit-image=0.18.3=py37he8f5f7f_0
-  - scikit-learn=1.0=py37hf0f1638_1
-  - scipy=1.7.1=py37hf2a6cf1_0
-  - scp=0.14.1
-  - seaborn=0.11.2=hd8ed1ab_0
-  - seaborn-base=0.11.2=pyhd8ed1ab_0
-  - send2trash=1.8.0=pyhd8ed1ab_0
-  - setuptools=58.2.0=py37h89c1867_0
-  - shapely=1.7.1=py37h48c49eb_5
-  - simplejson=3.17.5=py37h5e8e339_0
-  - six=1.16.0=pyh6c4a22f_0
-  - snappy=1.1.8=he1b5a44_3
-  - sniffio=1.2.0=py37h89c1867_1
-  - snowballstemmer=2.1.0=pyhd8ed1ab_0
-  - sortedcontainers=2.4.0=pyhd8ed1ab_0
-  - sphinx=4.2.0=pyh6c4a22f_0
-  - sphinxcontrib-applehelp=1.0.2=py_0
-  - sphinxcontrib-devhelp=1.0.2=py_0
-  - sphinxcontrib-htmlhelp=2.0.0=pyhd8ed1ab_0
-  - sphinxcontrib-jsmath=1.0.1=py_0
-  - sphinxcontrib-qthelp=1.0.3=py_0
-  - sphinxcontrib-serializinghtml=1.1.5=pyhd8ed1ab_0
-  - sqlite=3.36.0=h9cd32fc_2
-  - statsmodels=0.13.0=py37hb1e94ed_0
-  - sympy=1.8=py37h89c1867_0
-  - tblib=1.7.0=pyhd8ed1ab_0
-  - terminado=0.12.1=py37h89c1867_0
-  - testpath=0.5.0=pyhd8ed1ab_0
-  - threadpoolctl=3.0.0=pyh8a188c0_0
-  - tifffile=2021.8.30=pyhd8ed1ab_0
-  - tiledb=2.3.4=he87e0bf_0
-  - tk=8.6.11=h27826a3_1
-  - toolz=0.11.1=py_0
-  - tornado=6.1=py37h5e8e339_1
-  - tqdm=4.62.3=pyhd8ed1ab_0
-  - traitlets=5.1.0=pyhd8ed1ab_0
-  - typing_extensions=3.10.0.2=pyha770c72_0
-  - tzcode=2021c=h7f98852_0
-  - tzdata=2021c=he74cb21_0
-  - udunits2=2.2.27.27=hc3e0081_2
-  - uncertainties=3.1.6=pyhd8ed1ab_0
-  - urllib3=1.26.7=pyhd8ed1ab_0
-  - wcwidth=0.2.5=pyh9f0ad1d_2
-  - webencodings=0.5.1=py_1
-  - websocket-client=0.57.0=py37h89c1867_4
-  - werkzeug=2.0.1=pyhd8ed1ab_0
-  - wheel=0.37.0=pyhd8ed1ab_1
-  - widgetsnbextension=3.5.1=py37h89c1867_4
-  - xarray=0.19.0=pyhd8ed1ab_1
-  - xerces-c=3.2.3=h9d8b166_2
-  - xhistogram=0.3.0=pyhd8ed1ab_0
-  - xmitgcm=0.5.2=pyhd8ed1ab_0
-  - xorg-fixesproto=5.0=h7f98852_1002
-  - xorg-inputproto=2.3.2=h7f98852_1002
-  - xorg-kbproto=1.0.7=h7f98852_1002
-  - xorg-libice=1.0.10=h7f98852_0
-  - xorg-libsm=1.2.3=hd9c2040_1000
-  - xorg-libx11=1.7.2=h7f98852_0
-  - xorg-libxau=1.0.9=h7f98852_0
-  - xorg-libxdmcp=1.1.3=h7f98852_0
-  - xorg-libxext=1.3.4=h7f98852_1
-  - xorg-libxfixes=5.0.3=h7f98852_1004
-  - xorg-libxi=1.7.10=h7f98852_0
-  - xorg-libxrender=0.9.10=h7f98852_1003
-  - xorg-renderproto=0.11.1=h7f98852_1002
-  - xorg-xextproto=7.3.0=h7f98852_1002
-  - xorg-xproto=7.0.31=h7f98852_1007
-  - xrft=0.3.2=pyhd8ed1ab_0
-  - xyzservices=2021.9.1=pyhd8ed1ab_0
-  - xz=5.2.5=h516909a_1
-  - yaml=0.2.5=h516909a_0
-  - zarr=2.10.1=pyhd8ed1ab_0
-  - zeromq=4.3.4=h9c3ff4c_1
-  - zfp=0.5.5=h9c3ff4c_7
-  - zict=2.0.0=py_0
-  - zipp=3.6.0=pyhd8ed1ab_0
-  - zlib=1.2.11=h36c2ea0_1013
-  - zstd=1.5.0=ha95c52a_0
-  - pip:
-    - icesat2-toolkit==1.0.0.22
-    - swatch==0.4.0
-    
\ No newline at end of file
diff --git a/environment_small.yml b/environment_small.yml
deleted file mode 100644
index 3e82b034..00000000
--- a/environment_small.yml
+++ /dev/null
@@ -1,63 +0,0 @@
-# This file may be used to create an environment using:
-# $ conda create --name <env> --file <this file>
-# platform: linux-64
-name: 2021-icesat2-tracks
-channels:
-  - conda-forge
-  - defaults
-dependencies:
-  - arrow=1.2.3
-  - astropy=4.3.1
-  - bokeh=2.4.0
-  - bottleneck=1.3.2
-  - cairo=1.16.0
-  - cartopy=0.20.0
-  - cdsapi=0.5.1
-  - curl=7.79.1
-  - cython=0.29.23
-  - dask=2021.9.1
-  - dask-core=2021.9.1
-  - emcee=3.1.1
-  - ffmpeg=4.3.1
-  - fiona=1.8.20
-  - flask=2.0.1
-  - future=0.18.2
-  - geopandas=0.10.0
-  - h5py=3.4.0
-  - hdf4=4.2.15
-  - hdf5=1.12.1
-  - icepyx=0.4.0
-  - ipykernel=6.4.1
-  - ipython=7.28.0
-  - jedi=0.18.0
-  - json5=0.9.5
-  - jupyter=1.0.0
-  - jupyterlab=3.1.18
-  - lmfit=1.0.2
-  - markdown=3.3.4
-  - matplotlib=3.4.3
-  - nbconvert=6.2.0
-  - netcdf4=1.5.7
-  - notebook=6.4.4
-  - numpy=1.21.2
-  - pandas=1.3.3
-  - param=1.11.1
-  - piecewise-regression=1.1.2
-  - pillow=8.3.2
-  - pip=21.2.4
-  - pyqt=5.12.3
-  - python=3.7.10
-  - schwimmbad=0.3.2
-  - scikit-learn=1.0
-  - scipy=1.7.1
-  - sliderule=1.4.6
-  - werkzeug=2.0.1
-  - wheel=0.37.0
-  - xarray=0.19.0
-  - xhistogram=0.3.0
-  - pip:
-      - icesat2-toolkit==1.0.0.22
-      - scp==0.14.1
-      - wget==3.2
-      - zarr==2.10.1
-
diff --git a/py37_req_CCV.env b/py37_req_CCV.env
deleted file mode 100644
index 276caffa..00000000
--- a/py37_req_CCV.env
+++ /dev/null
@@ -1,411 +0,0 @@
-# This file may be used to create an environment using:
-# $ conda create --name <env> --file <this file>
-# platform: linux-64
-_libgcc_mutex=0.1=conda_forge
-_openmp_mutex=4.5=1_gnu
-alabaster=0.7.12=py_0
-alsa-lib=1.2.3=h516909a_0
-anyio=3.3.2=py37h89c1867_0
-appdirs=1.4.4=pyh9f0ad1d_0
-argcomplete=1.12.3=pyhd8ed1ab_2
-argon2-cffi=20.1.0=py37h5e8e339_2
-arviz=0.11.4=pyhd8ed1ab_0
-asciitree=0.3.3=py_2
-asteval=0.9.23=pyhd8ed1ab_0
-astropy=4.3.1=py37hb1e94ed_1
-async_generator=1.10=py_0
-attrs=21.2.0=pyhd8ed1ab_0
-babel=2.9.1=pyh44b312d_0
-backcall=0.2.0=pyh9f0ad1d_0
-backoff=1.11.1=pyhd8ed1ab_0
-backports=1.0=py_2
-backports.functools_lru_cache=1.6.4=pyhd8ed1ab_0
-bcrypt=3.2.0=pypi_0
-bleach=4.1.0=pyhd8ed1ab_0
-blosc=1.21.0=h9c3ff4c_0
-bokeh=2.4.0=py37h89c1867_0
-boost-cpp=1.74.0=h312852a_4
-boto=2.49.0=py_0
-boto3=1.18.64=pypi_0
-botocore=1.21.64=pypi_0
-bottleneck=1.3.2=py37hb1e94ed_4
-branca=0.4.2=pyhd8ed1ab_0
-brewer2mpl=1.4.1=py_3
-brotli=1.0.9=h7f98852_5
-brotli-bin=1.0.9=h7f98852_5
-brotlipy=0.7.0=py37h5e8e339_1001
-brunsli=0.1=h9c3ff4c_0
-bzip2=1.0.8=h7f98852_4
-c-ares=1.17.2=h7f98852_0
-ca-certificates=2021.10.8=ha878542_0
-cached-property=1.5.2=hd8ed1ab_1
-cached_property=1.5.2=pyha770c72_1
-cachetools=4.2.4=pyhd8ed1ab_0
-cairo=1.16.0=h6cf1ce9_1008
-cartopy=0.20.0=py37h259df35_2
-cdo=1.9.10=h25e7f74_6
-cdsapi=0.5.1=pyhd8ed1ab_0
-certifi=2021.10.8=py37h89c1867_1
-cffi=1.14.6=py37h036bc23_1
-cfitsio=3.470=hb418390_7
-cftime=1.5.1=py37hb1e94ed_0
-chardet=4.0.0=py37h89c1867_1
-charls=2.2.0=h9c3ff4c_0
-click=7.1.2=pyh9f0ad1d_0
-click-plugins=1.1.1=py_0
-cligj=0.7.2=pyhd8ed1ab_1
-cloudpickle=2.0.0=pyhd8ed1ab_0
-colorama=0.4.4=pyh9f0ad1d_0
-colorcet=2.0.6=pyhd8ed1ab_0
-corner=2.2.1=pyhd8ed1ab_0
-cryptography=3.4.7=py37h5d9358c_0
-curl=7.79.1=h2574ce0_1
-cycler=0.10.0=py_2
-cytoolz=0.11.0=py37h5e8e339_3
-dask=2021.9.1=pyhd8ed1ab_0
-dask-core=2021.9.1=pyhd8ed1ab_0
-dataclasses=0.8=pyhc8e2a94_3
-datashader=0.13.0=pyh6c4a22f_0
-datashape=0.5.4=py_1
-dbus=1.13.6=h48d8840_2
-debugpy=1.4.1=py37hcd2ae1e_0
-decorator=5.1.0=pyhd8ed1ab_0
-defusedxml=0.7.1=pyhd8ed1ab_0
-distributed=2021.9.1=py37h89c1867_0
-docrep=0.3.2=pyh44b312d_0
-docutils=0.17.1=py37h89c1867_0
-eccodes=2.23.0=h11d1a29_2
-emcee=3.1.1=pyh8a188c0_0
-entrypoints=0.3=pyhd8ed1ab_1003
-eofs=1.4.0=py_0
-expat=2.4.1=h9c3ff4c_0
-fasteners=0.16=pyhd8ed1ab_0
-fftw=3.3.10=nompi_h74d3f13_101
-fiona=1.8.20=py37hb7e2723_1
-folium=0.12.0=pyhd8ed1ab_1
-font-ttf-dejavu-sans-mono=2.37=hab24e00_0
-font-ttf-inconsolata=3.000=h77eed37_0
-font-ttf-source-code-pro=2.038=h77eed37_0
-font-ttf-ubuntu=0.83=hab24e00_0
-fontconfig=2.13.1=hba837de_1005
-fonts-conda-ecosystem=1=0
-fonts-conda-forge=1=0
-freeglut=3.2.1=h9c3ff4c_2
-freetype=2.10.4=h0708190_1
-freexl=1.0.6=h7f98852_0
-fribidi=1.0.10=h36c2ea0_0
-fsspec=2021.10.0=pyhd8ed1ab_0
-future=0.18.2=py37h89c1867_3
-gdal=3.3.2=py37hd5a0ba4_4
-geopandas=0.10.0=pyhd8ed1ab_0
-geopandas-base=0.10.0=pyha770c72_0
-geos=3.9.1=h9c3ff4c_2
-geotiff=1.7.0=hcfb7246_3
-geoviews=1.9.2=pyhd8ed1ab_0
-geoviews-core=1.9.2=pyha770c72_0
-gettext=0.19.8.1=h73d1719_1008
-giflib=5.2.1=h36c2ea0_2
-glib=2.68.4=h9c3ff4c_1
-glib-tools=2.68.4=h9c3ff4c_1
-glob2=0.7=py_0
-gmp=6.2.1=h58526e2_0
-gmpy2=2.1.0b5=py37h025e8b9_0
-graphite2=1.3.13=h58526e2_1001
-gst-plugins-base=1.18.5=hf529b03_0
-gstreamer=1.18.5=h76c114f_0
-guppy3=3.1.0=py37h5e8e339_0
-h5py=3.4.0=nompi_py37hd308b1e_101
-harfbuzz=3.0.0=h83ec7ef_1
-hdf4=4.2.15=h10796ff_3
-hdf5=1.12.1=nompi_h2750804_101
-heapdict=1.0.1=py_0
-holoviews=1.14.6=pyhd8ed1ab_0
-html5lib=1.1=pyh9f0ad1d_0
-hvplot=0.7.3=pyh6c4a22f_0
-icepyx=0.4.0=pyhd8ed1ab_0
-icu=68.1=h58526e2_0
-idna=2.10=pyh9f0ad1d_0
-imagecodecs=2021.7.30=py37hfe5a812_1
-imageio=2.9.0=py_0
-imagesize=1.2.0=py_0
-importlib-metadata=4.8.1=py37h89c1867_0
-importlib_metadata=4.8.1=hd8ed1ab_0
-intake=0.6.3=pyhd8ed1ab_0
-ipykernel=6.4.1=py37h6531663_0
-ipython=7.28.0=py37h6531663_0
-ipython_genutils=0.2.0=py_1
-ipywidgets=7.6.5=pyhd8ed1ab_0
-jasper=2.0.14=ha77e612_2
-jbig=2.1=h7f98852_2003
-jedi=0.18.0=py37h89c1867_2
-jinja2=3.0.1=pyhd8ed1ab_0
-jmespath=0.10.0=pypi_0
-joblib=1.1.0=pyhd8ed1ab_0
-jpeg=9d=h36c2ea0_0
-json-c=0.15=h98cffda_0
-json5=0.9.5=pyh9f0ad1d_0
-jsonschema=4.0.1=pyhd8ed1ab_0
-jupyter=1.0.0=py37h89c1867_6
-jupyter_client=7.0.6=pyhd8ed1ab_0
-jupyter_console=6.4.0=pyhd8ed1ab_0
-jupyter_core=4.8.1=py37h89c1867_0
-jupyter_kernel_gateway=2.5.1=pyhd8ed1ab_2
-jupyter_server=1.11.1=pyhd8ed1ab_0
-jupyterlab=3.1.18=pyhd8ed1ab_0
-jupyterlab_pygments=0.1.2=pyh9f0ad1d_0
-jupyterlab_server=2.8.2=pyhd8ed1ab_0
-jupyterlab_widgets=1.0.2=pyhd8ed1ab_0
-jxrlib=1.1=h7f98852_2
-kealib=1.4.14=h87e4c3c_3
-kiwisolver=1.3.2=py37h2527ec5_0
-krb5=1.19.2=hcc1bbae_2
-lcms2=2.12=hddcbb42_0
-ld_impl_linux-64=2.36.1=hea4e1c9_2
-lerc=2.2.1=h9c3ff4c_0
-libaec=1.0.6=h9c3ff4c_0
-libblas=3.9.0=11_linux64_openblas
-libbrotlicommon=1.0.9=h7f98852_5
-libbrotlidec=1.0.9=h7f98852_5
-libbrotlienc=1.0.9=h7f98852_5
-libcblas=3.9.0=11_linux64_openblas
-libclang=11.1.0=default_ha53f305_1
-libcurl=7.79.1=h2574ce0_1
-libdap4=3.20.6=hd7c4107_2
-libdeflate=1.7=h7f98852_5
-libedit=3.1.20191231=he28a2e2_2
-libev=4.33=h516909a_1
-libevent=2.1.10=h9b69904_4
-libffi=3.4.2=h9c3ff4c_4
-libgcc-ng=11.2.0=h1d223b6_9
-libgdal=3.3.2=h9c9eb65_4
-libgfortran-ng=11.2.0=h69a702a_9
-libgfortran5=11.2.0=h5c6108e_9
-libglib=2.68.4=h174f98d_1
-libglu=9.0.0=he1b5a44_1001
-libgomp=11.2.0=h1d223b6_9
-libiconv=1.16=h516909a_0
-libkml=1.3.0=h238a007_1014
-liblapack=3.9.0=11_linux64_openblas
-libllvm10=10.0.1=he513fc3_3
-libllvm11=11.1.0=hf817b99_2
-libnetcdf=4.8.1=nompi_hb3fd0d9_101
-libnghttp2=1.43.0=h812cca2_1
-libogg=1.3.4=h7f98852_1
-libopenblas=0.3.17=pthreads_h8fe5266_1
-libopus=1.3.1=h7f98852_1
-libpng=1.6.37=h21135ba_2
-libpq=13.3=hd57d9b9_0
-librttopo=1.1.0=h1185371_6
-libsodium=1.0.18=h36c2ea0_1
-libspatialindex=1.9.3=h9c3ff4c_4
-libspatialite=5.0.1=h8796b1e_9
-libssh2=1.10.0=ha56f1ee_2
-libstdcxx-ng=11.2.0=he4da1e4_9
-libtiff=4.3.0=hf544144_1
-libuuid=2.32.1=h7f98852_1000
-libvorbis=1.3.7=h9c3ff4c_0
-libwebp-base=1.2.1=h7f98852_0
-libxcb=1.13=h7f98852_1003
-libxkbcommon=1.0.3=he3ba5ed_0
-libxml2=2.9.12=h72842e0_0
-libzip=1.8.0=h4de3113_1
-libzlib=1.2.11=h36c2ea0_1013
-libzopfli=1.0.3=h9c3ff4c_0
-llvmlite=0.36.0=py37h9d7f4d0_0
-lmfit=1.0.2=pyhd8ed1ab_0
-locket=0.2.0=py_2
-lxml=4.6.3=pypi_0
-lz4-c=1.9.3=h9c3ff4c_1
-lzo=2.10=h516909a_1000
-magics=4.9.1=hb6e17df_1
-magics-python=1.5.6=pyhd8ed1ab_0
-mapclassify=2.4.3=pyhd8ed1ab_0
-markdown=3.3.4=pyhd8ed1ab_0
-markupsafe=2.0.1=py37h5e8e339_0
-matplotlib=3.4.3=py37h89c1867_1
-matplotlib-base=3.4.3=py37h1058ff1_1
-matplotlib-inline=0.1.3=pyhd8ed1ab_0
-memory_profiler=0.60.0=pyhd8ed1ab_0
-mistune=0.8.4=py37h5e8e339_1004
-mock=4.0.3=py37h89c1867_1
-monotonic=1.5=py_0
-mpc=1.2.1=h9f54685_0
-mpfr=4.1.0=h9202a9a_1
-mpi=1.0=mpich
-mpi4py=3.1.1=py37h1e5cb63_0
-mpich=3.4.2=h846660c_100
-mpmath=1.2.1=pyhd8ed1ab_0
-msgpack-python=1.0.2=py37h2527ec5_1
-multipledispatch=0.6.0=py_0
-munch=2.5.0=py_0
-mysql-common=8.0.25=ha770c72_2
-mysql-libs=8.0.25=hfa10184_2
-nbclassic=0.3.2=pyhd8ed1ab_0
-nbclient=0.5.4=pyhd8ed1ab_0
-nbconvert=6.2.0=py37h89c1867_0
-nbformat=5.1.3=pyhd8ed1ab_0
-ncurses=6.2=h58526e2_4
-nest-asyncio=1.5.1=pyhd8ed1ab_0
-netcdf4=1.5.7=nompi_py37hf784469_103
-networkx=2.5=py_0
-notebook=6.4.4=pyha770c72_0
-nspr=4.30=h9c3ff4c_0
-nss=3.69=hb5efdd6_1
-numba=0.53.1=py37hb11d6e1_1
-numcodecs=0.9.1=py37hcd2ae1e_0
-numexpr=2.7.3=py37he8f5f7f_0
-numpy=1.21.2=py37h31617e3_0
-numpydoc=1.1.0=py_1
-olefile=0.46=pyh9f0ad1d_1
-openjpeg=2.4.0=hb52868f_1
-openssl=1.1.1l=h7f98852_0
-ossuuid=1.6.2=hf484d3e_1000
-packaging=21.0=pyhd8ed1ab_0
-pandas=1.3.3=py37he8f5f7f_0
-pandoc=2.14.2=h7f98852_0
-pandocfilters=1.5.0=pyhd8ed1ab_0
-panel=0.12.4=pyhd8ed1ab_0
-pango=1.48.10=h54213e6_2
-param=1.11.1=pyh6c4a22f_0
-paramiko=2.8.0=pypi_0
-parso=0.8.2=pyhd8ed1ab_0
-partd=1.2.0=pyhd8ed1ab_0
-patsy=0.5.2=pyhd8ed1ab_0
-pcre=8.45=h9c3ff4c_0
-pexpect=4.8.0=pyh9f0ad1d_2
-pickleshare=0.7.5=py_1003
-piecewise-regression=1.1.2=pyhd8ed1ab_0
-pillow=8.3.2=py37h0f21c89_0
-pip=21.2.4=pyhd8ed1ab_0
-pixman=0.40.0=h36c2ea0_0
-pkginfo=1.7.1=pyhd8ed1ab_0
-pooch=1.5.1=pyhd8ed1ab_0
-poppler=21.09.0=ha39eefc_3
-poppler-data=0.4.11=hd8ed1ab_0
-postgresql=13.3=h2510834_0
-proj=8.1.1=h277dcde_2
-prometheus_client=0.11.0=pyhd8ed1ab_0
-prompt-toolkit=3.0.20=pyha770c72_0
-prompt_toolkit=3.0.20=hd8ed1ab_0
-proplot=0.9.2=pyhd8ed1ab_0
-psutil=5.8.0=py37h5e8e339_1
-pthread-stubs=0.4=h36c2ea0_1001
-ptyprocess=0.7.0=pyhd3deb0d_0
-pycparser=2.20=pyh9f0ad1d_2
-pyct=0.4.6=py_0
-pyct-core=0.4.6=py_0
-pyerfa=2.0.0=py37h6f94858_0
-pyflakes=2.4.0=pyhd8ed1ab_0
-pygments=2.10.0=pyhd8ed1ab_0
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